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32#ifndef _QED_IWARP_H
33#define _QED_IWARP_H
34
35enum qed_iwarp_qp_state {
36 QED_IWARP_QP_STATE_IDLE,
37 QED_IWARP_QP_STATE_RTS,
38 QED_IWARP_QP_STATE_TERMINATE,
39 QED_IWARP_QP_STATE_CLOSING,
40 QED_IWARP_QP_STATE_ERROR,
41};
42
43enum qed_iwarp_qp_state qed_roce2iwarp_state(enum qed_roce_qp_state state);
44
45#define QED_IWARP_PREALLOC_CNT (256)
46
47#define QED_IWARP_LL2_SYN_TX_SIZE (128)
48#define QED_IWARP_LL2_SYN_RX_SIZE (256)
49
50#define QED_IWARP_LL2_OOO_DEF_TX_SIZE (256)
51#define QED_IWARP_MAX_OOO (16)
52#define QED_IWARP_LL2_OOO_MAX_RX_SIZE (16384)
53
54#define QED_IWARP_HANDLE_INVAL (0xff)
55
56struct qed_iwarp_ll2_buff {
57 struct qed_iwarp_ll2_buff *piggy_buf;
58 void *data;
59 dma_addr_t data_phys_addr;
60 u32 buff_size;
61};
62
63struct qed_iwarp_ll2_mpa_buf {
64 struct list_head list_entry;
65 struct qed_iwarp_ll2_buff *ll2_buf;
66 struct unaligned_opaque_data data;
67 u16 tcp_payload_len;
68 u8 placement_offset;
69};
70
71
72
73
74
75#define QED_IWARP_INVALID_INCOMPLETE_BYTES 0xffff
76
77struct qed_iwarp_fpdu {
78 struct qed_iwarp_ll2_buff *mpa_buf;
79 void *mpa_frag_virt;
80 dma_addr_t mpa_frag;
81 dma_addr_t pkt_hdr;
82 u16 mpa_frag_len;
83 u16 fpdu_length;
84 u16 incomplete_bytes;
85 u8 pkt_hdr_size;
86};
87
88struct qed_iwarp_info {
89 struct list_head listen_list;
90 struct list_head ep_list;
91 struct list_head ep_free_list;
92 struct list_head mpa_buf_list;
93 struct list_head mpa_buf_pending_list;
94 spinlock_t iw_lock;
95 spinlock_t qp_lock;
96 u32 rcv_wnd_scale;
97 u16 rcv_wnd_size;
98 u16 max_mtu;
99 u8 mac_addr[ETH_ALEN];
100 u8 crc_needed;
101 u8 tcp_flags;
102 u8 ll2_syn_handle;
103 u8 ll2_ooo_handle;
104 u8 ll2_mpa_handle;
105 u8 peer2peer;
106 enum mpa_negotiation_mode mpa_rev;
107 enum mpa_rtr_type rtr_type;
108 struct qed_iwarp_fpdu *partial_fpdus;
109 struct qed_iwarp_ll2_mpa_buf *mpa_bufs;
110 u8 *mpa_intermediate_buf;
111 u16 max_num_partial_fpdus;
112};
113
114enum qed_iwarp_ep_state {
115 QED_IWARP_EP_INIT,
116 QED_IWARP_EP_MPA_REQ_RCVD,
117 QED_IWARP_EP_MPA_OFFLOADED,
118 QED_IWARP_EP_ESTABLISHED,
119 QED_IWARP_EP_CLOSED
120};
121
122union async_output {
123 struct iwarp_eqe_data_mpa_async_completion mpa_response;
124 struct iwarp_eqe_data_tcp_async_completion mpa_request;
125};
126
127#define QED_MAX_PRIV_DATA_LEN (512)
128struct qed_iwarp_ep_memory {
129 u8 in_pdata[QED_MAX_PRIV_DATA_LEN];
130 u8 out_pdata[QED_MAX_PRIV_DATA_LEN];
131 union async_output async_output;
132};
133
134
135
136
137struct qed_iwarp_ep {
138 struct list_head list_entry;
139 struct qed_rdma_qp *qp;
140 struct qed_iwarp_ep_memory *ep_buffer_virt;
141 dma_addr_t ep_buffer_phys;
142 enum qed_iwarp_ep_state state;
143 int sig;
144 struct qed_iwarp_cm_info cm_info;
145 enum tcp_connect_mode connect_mode;
146 enum mpa_rtr_type rtr_type;
147 enum mpa_negotiation_mode mpa_rev;
148 u32 tcp_cid;
149 u32 cid;
150 u16 mss;
151 u8 remote_mac_addr[6];
152 u8 local_mac_addr[6];
153 bool mpa_reply_processed;
154
155
156 u16 syn_ip_payload_length;
157 struct qed_iwarp_ll2_buff *syn;
158 dma_addr_t syn_phy_addr;
159
160
161
162
163
164
165 iwarp_event_handler event_cb;
166 void *cb_context;
167};
168
169struct qed_iwarp_listener {
170 struct list_head list_entry;
171
172
173
174
175 iwarp_event_handler event_cb;
176 void *cb_context;
177 u32 max_backlog;
178 u32 ip_addr[4];
179 u16 port;
180 u16 vlan;
181 u8 ip_version;
182};
183
184int qed_iwarp_alloc(struct qed_hwfn *p_hwfn);
185
186int qed_iwarp_setup(struct qed_hwfn *p_hwfn,
187 struct qed_rdma_start_in_params *params);
188
189void qed_iwarp_init_fw_ramrod(struct qed_hwfn *p_hwfn,
190 struct iwarp_init_func_ramrod_data *p_ramrod);
191
192int qed_iwarp_stop(struct qed_hwfn *p_hwfn);
193
194void qed_iwarp_resc_free(struct qed_hwfn *p_hwfn);
195
196void qed_iwarp_init_devinfo(struct qed_hwfn *p_hwfn);
197
198void qed_iwarp_init_hw(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
199
200int qed_iwarp_create_qp(struct qed_hwfn *p_hwfn,
201 struct qed_rdma_qp *qp,
202 struct qed_rdma_create_qp_out_params *out_params);
203
204int qed_iwarp_modify_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp,
205 enum qed_iwarp_qp_state new_state, bool internal);
206
207int qed_iwarp_destroy_qp(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
208
209int qed_iwarp_fw_destroy(struct qed_hwfn *p_hwfn, struct qed_rdma_qp *qp);
210
211void qed_iwarp_query_qp(struct qed_rdma_qp *qp,
212 struct qed_rdma_query_qp_out_params *out_params);
213
214int
215qed_iwarp_connect(void *rdma_cxt,
216 struct qed_iwarp_connect_in *iparams,
217 struct qed_iwarp_connect_out *oparams);
218
219int
220qed_iwarp_create_listen(void *rdma_cxt,
221 struct qed_iwarp_listen_in *iparams,
222 struct qed_iwarp_listen_out *oparams);
223
224int qed_iwarp_accept(void *rdma_cxt, struct qed_iwarp_accept_in *iparams);
225
226int qed_iwarp_reject(void *rdma_cxt, struct qed_iwarp_reject_in *iparams);
227int qed_iwarp_destroy_listen(void *rdma_cxt, void *handle);
228
229int qed_iwarp_send_rtr(void *rdma_cxt, struct qed_iwarp_send_rtr_in *iparams);
230
231#endif
232
